Model: AN531-6RF8

Tapping Screw

Properties:

Fastener Length
0.500 inches
Head Style
Flat countersunk
Head Diameter
Between 0.257 inches and 0.279 inches
Internal Drive Style
Cross recess type 1
Features Provided
Casehardened
Nonmachine Thread Style
Wide flute (type h or bt)
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Nonmachine Thread Diameter
0.138 inches
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
NSN
5305-00-051-4557
Part Number
AN531-6RF8
Description
Screw,tapping
CAGE
88044

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Part AN531-6RF8 NSN 5305-00-051-4557

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
41756
FIIG:
A003B0
Concept No.:
App. Key:
SN
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318140000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Self-tapping screws of iron or steel

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